Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modified PTFE composite dielectric material with high thermal conductivity and low dielectric constant and preparation method thereof
The invention relates to a BN-doped modified PTFE composite dielectric material with high thermal conductivity and low dielectric constant. The material comprises BN, SiO2 ceramic powder and 50 wt% to70 wt% of PTFE, and the content of BN is 5% to 20%. The dielectric constant of the modified PTFE composite dielectric material is 2.0 to 2.5, the loss factor is 0.0015 to 0.002, the thermal conductivity is 0.45 W/m.K to 0.82 W/m.K, the thermal expansion coefficient is 40 to 120 ppm/DEG C, and the modified PTFE composite dielectric material has low dielectric constant, low loss factor, low thermalexpansion coefficient and high thermal conductivity.
本发明涉及一种BN掺杂改性高热导率低介电常数PTFE复合介质材料，包括BN、SiO2陶瓷粉和50wt％‑70％的PTFE，所述BN含量为5％‑20％。改性PTFE复合介质材料介电常数为2.0‑2.5，损耗因子为0.0015‑0.002，热导率为0.45W/m·K‑0.82W/m·K，热膨胀系数为40‑120ppm/℃，兼具有较低的介电常数、低损耗因子和较低的热膨胀系数、较高的热导率。
Modified PTFE composite dielectric material with high thermal conductivity and low dielectric constant and preparation method thereof
The invention relates to a BN-doped modified PTFE composite dielectric material with high thermal conductivity and low dielectric constant. The material comprises BN, SiO2 ceramic powder and 50 wt% to70 wt% of PTFE, and the content of BN is 5% to 20%. The dielectric constant of the modified PTFE composite dielectric material is 2.0 to 2.5, the loss factor is 0.0015 to 0.002, the thermal conductivity is 0.45 W/m.K to 0.82 W/m.K, the thermal expansion coefficient is 40 to 120 ppm/DEG C, and the modified PTFE composite dielectric material has low dielectric constant, low loss factor, low thermalexpansion coefficient and high thermal conductivity.
本发明涉及一种BN掺杂改性高热导率低介电常数PTFE复合介质材料，包括BN、SiO2陶瓷粉和50wt％‑70％的PTFE，所述BN含量为5％‑20％。改性PTFE复合介质材料介电常数为2.0‑2.5，损耗因子为0.0015‑0.002，热导率为0.45W/m·K‑0.82W/m·K，热膨胀系数为40‑120ppm/℃，兼具有较低的介电常数、低损耗因子和较低的热膨胀系数、较高的热导率。
Modified PTFE composite dielectric material with high thermal conductivity and low dielectric constant and preparation method thereof
一种改性PTFE高热导率低介电常数复合介质材料及其制备方法
SHEN JIE (Autor:in) / TANG YANGHENG (Autor:in) / ZHOU JING (Autor:in) / HAN KUNKUN (Autor:in) / LI QIANGZHI (Autor:in) / QI YANYUAN (Autor:in) / CHEN WEN (Autor:in) / ZHAO LIJUN (Autor:in)
26.03.2021
Patent
Elektronische Ressource
Chinesisch
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